直接上代码：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>JavaScript事件</title>
<script>
function changeColor()
{ document.getElementById("test").style.background="#98F5FF";
}
</script>
<style type="text/css">
#test {
background-color: #CD96CD;
width: 100px;
height: 100px;
border-radius: 50px;
}
</style>
</head>
<body>
<p>点击圆球，改变颜色</p>
<div id="test" onclick="changeColor()"></div>
</body>
</html>
